2609985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 5023296

約数和(自身を除く): 2413311

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 67, 105, 147, 159, 201, 245, 265, 335, 371, 469, 735, 795, 1005, 1113, 1407, 1855, 2345, 2597, 3283, 3551, 5565, 7035, 7791, 9849, 10653, 12985, 16415, 17755, 24857, 38955, 49245, 53265, 74571, 124285, 173999, 372855, 521997, 869995, 2609985]

約数ペア:

[(1, 2609985), (3, 869995), (5, 521997), (7, 372855), (15, 173999), (21, 124285), (35, 74571), (49, 53265), (53, 49245), (67, 38955), (105, 24857), (147, 17755), (159, 16415), (201, 12985), (245, 10653), (265, 9849), (335, 7791), (371, 7035), (469, 5565), (735, 3551), (795, 3283), (1005, 2597), (1113, 2345), (1407, 1855)]